<!-- https://juejin.cn/post/6975770170413776926 -->

<template>
	<div class="alert alert-success" role="alert">...</div>
	<div class="alert alert-info" role="alert">...</div>
	<div class="alert alert-warning" role="alert">...</div>
	<div class="alert alert-danger" role="alert">...</div>
</template>